Perhaps you should try some spelling variations:
feature scale » feature space, feature shape, feature scaling
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
study loa » study load, study low, study lca
study la » study law, study lay, study l

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: feature scale ((study la) OR (study loa)) filosofia de literatura.
• Adding a wildcard symbol may retrieve word variants: feature scale ((study la) or (study loa)) filosofia de literatura*.